<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <!--
        水平对齐~	参照物，	a，b
    -->
    <style>
        img,span{
            vertical-align:middle;
        }
    </style>

</head>
<body>

<p>
    <img src="images/a.png" alt="">
    <span>adasdadafsdfsdfafasdfs</span>
</p>

</body>
</html>